diff --git a/app/src/main/java/com/github/catvod/spider/Push.java b/app/src/main/java/com/github/catvod/spider/Push.java
index 29dc34fd..a02f0243 100644
--- a/app/src/main/java/com/github/catvod/spider/Push.java
+++ b/app/src/main/java/com/github/catvod/spider/Push.java
@@ -59,17 +59,23 @@ public class Push extends Ali {
 
     private void setHttpSub(String url, List<Sub> subs) {
         try {
-            String ext = url.substring(url.lastIndexOf(".") + 1);
+            String ext = Utils.getExt(url);
             if (!ext.equals("mp4") && !ext.equals("mkv")) return;
-            String srt = Utils.removeExt(url).concat(".srt");
-            String ass = Utils.removeExt(url).concat(".ass");
-            if (OkHttp.newCall(srt).code() == 200) subs.add(Sub.create().name(Uri.parse(srt).getLastPathSegment()).ext("srt").url(srt));
-            if (OkHttp.newCall(ass).code() == 200) subs.add(Sub.create().name(Uri.parse(ass).getLastPathSegment()).ext("ass").url(ass));
+            List<String> types = Arrays.asList(".srt", ".ass");
+            for (String type : types) detectSub(Utils.removeExt(url).concat(type), subs);
         } catch (Exception e) {
             e.printStackTrace();
         }
     }
 
+    private void detectSub(String url, List<Sub> subs) throws Exception {
+        if (OkHttp.newCall(url).code() == 200) {
+            String ext = Utils.getExt(url);
+            String name = Uri.parse(url).getLastPathSegment();
+            subs.add(Sub.create().name(name).ext(ext).url(url));
+        }
+    }
+
     private void setFileSub(String url, List<Sub> subs) {
         File file = new File(url.replace("file://", ""));
         if (file.getParentFile() == null) return;
diff --git a/jar/custom_spider.jar b/jar/custom_spider.jar
index 0d4bf940..78c9ee43 100644
Binary files a/jar/custom_spider.jar and b/jar/custom_spider.jar differ
diff --git a/jar/custom_spider.jar.md5 b/jar/custom_spider.jar.md5
index e665f7d2..cc03c108 100644
--- a/jar/custom_spider.jar.md5
+++ b/jar/custom_spider.jar.md5
@@ -1 +1 @@
-1117ef714ea9053d670c6748723500f8
+d0ac4c362ded4782f74f467bfa3420be